Monthly SIP needed
₹24,406
Finance
Estimate retirement corpus needed and monthly investment target.
Target corpus
₹8,61,52,368
Retirement corpus assumes 25x annual expenses at retirement.
You need ₹8,61,52,368 to retire comfortably. The earlier you start your SIP, the smaller the monthly investment needed. Don't delay.
Monthly SIP needed
₹24,406
Future monthly expense
₹2,87,175
Years to invest
30
Return rate
12%
Enter the required values and the Retirement Calculator updates instantly in your browser.
Yes. The calculator is free, mobile-friendly, and does not require signup.
Yes. Inputs and result cards are designed for mobile-first usage.
Complete guide
Use this retirement calculator to estimate how much corpus you may need and how much monthly investment can help you reach it. Retirement planning is one of the highest-value finance topics because users need long-term clarity and action.
The calculator above is designed for quick decisions first: enter the values, review the result card, and then use the charts or supporting sections to understand the result. This matters because most finance mistakes do not happen because people cannot calculate numbers. They happen because the monthly cash flow, total interest, inflation impact, tax treatment, or long-term goal requirement is not visible at the time of decision.
For better planning, do not use only one result. Change the inputs and compare at least three scenarios: a conservative case, a realistic case, and an optimistic case. This simple habit makes the calculator more useful than a single answer because it shows how sensitive your result is to interest rate, return rate, time period, monthly investment, or loan amount.
Future monthly expense is estimated using inflation. Target corpus is estimated as 25 times annual retirement expense.
If your monthly expense is Rs 50,000 today and retirement is 30 years away, inflation can make your future expense much higher. The calculator estimates corpus and SIP needed.
The formula gives an estimate based on the values you enter. Actual bank, tax, or investment outcomes can vary because of charges, compounding frequency, rate changes, fund performance, rules, and rounding. Treat the result as a planning estimate and verify final numbers from the official provider before making a financial commitment.
If your goal matches one of these use cases, this calculator is a strong starting point. If your situation includes irregular income, variable interest rates, business income, tax complexity, or large one-time payments, use the result as a first estimate and then refine it with a professional or official statement.
Start with a conservative return estimate.
Increase investments every year.
Separate emergency and retirement corpus.
Review plan after major life changes.
A good calculator page should help you take the next sensible step, not just display a number. After you get your result, ask whether the result is affordable, whether it protects your future goals, and whether the assumptions are realistic for your income, risk profile, and time horizon. For investments, be careful with high return assumptions. For loans, always check total repayment and not only the EMI. For tax and salary calculations, keep documents ready and verify details before filing or accepting an offer.
The best way to use this page is to save or revisit it when your income, rates, goals, or expenses change. Most financial plans fail because they are made once and never updated. A five-minute review every few months can reveal whether you need to increase investments, reduce borrowing, adjust your budget, or compare better options.
Enter the required values and the Retirement Calculator updates instantly in your browser.
Yes. The calculator is free, mobile-friendly, and does not require signup.
Yes. Inputs and result cards are designed for mobile-first usage.
The Retirement Calculator gives instant estimates based on standard formulas. Results are for planning purposes and may vary from official bank, tax, or institutional outcomes due to compounding frequency, fees, and rule changes.
No. The Retirement Calculator on CalculateAge Pro is completely free and requires no account or signup. All calculations run in your browser and no data is stored.
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Last updated: June 2026 · Results are estimates for planning purposes only.